Surname Ngouloubi-Issonne (Ngouloubi-Issonne 
) , in all the world, is a rare cognomen. The family name Ngouloubi-Issonne is habitual in Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is a rare surname. Parts of the name also exists independently as a last name Ngouloubi.
| VARIANT | COUNTRY |
|---|---|
| Ngouloubi-Issonne | Democratic Republic of the Congo |